(1 point) If Y=∑28i=1XiY=∑i=128Xi and every XiXi is i. i.d with a chi-squared distribution with 88 degrees of freedom, find the MGF of Y. M(t)=

If c(x) = 4x – 2 and d(x) = x2 + 5x, what is (cxd)(x)

Lee has $1.75 in dimes and nickels. the number of nickels is 11 more than the number of dimes. how many of each coin does he have?

Use the four functions below for this question. compare and contrast these four functions using complete sentences focus on the slope and y- intercept first, and then on any additional properties of each function